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Digital Microwave Radio Relay System Series B

Radio tower located near Gray (pictured in May, 2005)

èanicaAll Radio Units are b Institute IMTEL

Key features:

- E1 G.703 interfaces at 2.048 Mbit/s- V.35 interfaces from 320 kbit/s up to 8.6 Mbit/s- capacity independent ODU

- frequency independent IDU- software capacity configuration- software selection of output power - software selection of operating frequency- remote and local base band loop tests- microwave loop tests- voice service channel- external alarms and control- RRUNET NMS with network topology

Key applications:

- Fixed telephony switching systems, remotesubscribers block and remote subscribersinterconnection

- Mobile communication systems base stations,base station controllers and switchingsystems interconnection

- LAN and WAN inter connection- Wireless Internet access- Last mile access- Digitalized TV transmission (MPEG2)- Remote control, alarms & security systems

- Fiber optics back up

Headquarter:

IMTEL InstituteBul. Mihaila Pupina 165b11070 BelgradeSerbia and Montenegro

nstitute of Microwave Techniques and Electronics

Phone: +381 11 3111215Fax: +381 11 3115884web: www.insimtel.comemail: [email protected]





TECHNICAL DATA (continued)

Service channels, external alarms and control

Number of voice service channels 1 Voice coding A-low 64kbit/s PCMAnalogue interface 4 wiresSignal level selection software 1dB step (0.1dB optionaly)Call signal omnibus/single via RRUNETCascading type omnibus, at analogue signal levelNumber of external alarms (4x2/8x2/16x2) 1/3/3Coupling method optocoupledNumber of external controls 1Coupling method optocoupledAlarm and control refresh rate 10Hz

Digital Microwave Radio Relay System Series B

RRUNET Network Management Sys

NMS hardware included in each IDURRU Net access connector RJ45Single hop functions -Operating frequ

-Output power s-Receiving signa-Pseudo BER mo-Alarms inspecti-Traffic configur-Remote and loc-Microwave loop-Long term moni

NMS networking -Star topology v-Gateways via le

GSM modems -Autodetection o-Alarm massage-Data tunneling a

NMS workstation PC with Window

Power supply

Input voltage range from 24 to 72 V DCPower consumption 1+0 30W

1+1 50WOptional PSU 220V/ 50Hz

MTBF1+0 terminal MTBF(one IDU, one ODU)1+1 terminal MTBF(one IDU with switch, two ODUs of whichat least one should be operational)

11 years

17 years

Mechanical and environmental

Unit IDU Dimensions (mm) 430 x 260 x 45 (4x2 and 8x2)

430 x 260 x 90 (16x2)Weight (kg) 2.6 (4x2 and 8x2)

3.2 (16x2)Temperature range from -35 to +60C Relative humidity from 0 to 90%

Rain(outdoor container needed)

Overvoltage protection according ITU-T K.20 Wind load -

non condensingnot sealed



Institute of Microwave Techniques and Electronics

IMTEL Institute, Bul. Mihaila Pupina 165b, 11070 Belgrade, Serbia and Montenegrophone: +381 11 3111215 fax: +381 11 3115884email: [email protected] Internet: www.insimtel.com

Published by IMTEL Institute (c)2005

Note: Data are subject to change without notice

nstitute of Microwave Techniques and Electronics

InDoor Unit 4x2 Mbit/s



RRUNET Network Management System

OutDoor Unit with Antenna

Documents

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